Product description It is a profeional golf rangefinder with golf flagpole lock function, jolt function, anti shaking function, slope compensation functions. it is not only used in daily golf training, but also in golf tournaments. The slope compensation function can be switched to meet golf tournament rules. Product parameter Measuring range of distance: 5-900Yd for normal object;5-400Yd for golf flagpole;Measuring range of angle: 60;Distance measuring accuracy: About 1Yd or 0.5% (Take the maximum value);Angle measuring precision: About 1 ;Wavelength: 905nm;Security cla: FDA Cla 1;Magnification: 6X;Measuring units: M/Y;Powerbuild-in lithium battery 750mAh;Field of view: 70;Objective/Eyepiece lens diameter25mm/16mm;Vibration feedback:YES Usage Toggle the MUFASHA slide key on the left side of the machine to switch modes between normal measurement and golf mode;In golf mode, due to the golf flagpole is relatively small, the background of the flagpole is also more complex, the golfer in the measurement of the hand is easy to shake, in this case, the golfer will be very difficult to accurately measure the distance of the golf flagpole, so you need to long pre the measurement key, scanning and measurement of the flagpole, when the measurement of the flagpole, the distance meter automatically locks the flagpole, and the measurement data will be displayed on the screen. Product packaging content 1*Rangefinder1*Manual1*Briefcase or hard packOptional1*Cleaning cloth1*Type-C line1*Hand rope1*Carabiner